@article{DietrichKohlstruckSturzbecher1993,
  author    = {Dietrich, Peter and Kohlstruck, Michael and Sturzbecher, Dietmar},
  title     = {Jugendliche Mentalit{\"a}ten in Brandenburg},
  year      = {1993},
  language  = {de}
}
@book{SturzbecherDietrichKohlstruck1994,
  author    = {Sturzbecher, Dietmar and Dietrich, Peter and Kohlstruck, Michael},
  title     = {Jugend in Brandenburg 93},
  series = {Forschungsbericht},
  volume    = {4},
  journal   = {Forschungsbericht},
  publisher = {Eigenverl.},
  address   = {Vehlefanz},
  year      = {1994},
  language  = {de}
}